Rank	Countries/Territories	Count	Percent
1	United States	541	31.7%
2	China	459	26.9%
3	Germany	131	7.7%
4	Japan	81	4.7%
5	France	44	2.6%
6	Taiwan	43	2.5%
7	Australia	42	2.5%
8	Netherlands	29	1.7%
9	Thailand	29	1.7%
10	Estonia	23	1.3%
11	United Kingdom	19	1.1%
12	Greece	18	1.1%
13	Canada	18	1.1%
14	Russia	17	1%
15	Spain	17	1%
16	Ireland	16	0.9%
17	Italy	16	0.9%
18	Romania	15	0.9%
19	Indonesia	14	0.8%
20	Kenya	11	0.6%
21	Brazil	11	0.6%
22	Austria	9	0.5%
23	Cyprus	9	0.5%
24	South Africa	8	0.5%
25	Ukraine	8	0.5%
26	Switzerland	7	0.4%
27	India	7	0.4%
28	Korea, Republic of	6	0.4%
29	Iran, Islamic Republic of	5	0.3%
30	Argentina	5	0.3%
31	Chile	5	0.3%
32	Ecuador	4	0.2%
33	Ethiopia	4	0.2%
34	Mexico	4	0.2%
35	Panama	4	0.2%
36	Turkey	4	0.2%
37	Sweden	4	0.2%
38	Singapore	4	0.2%
39	Qatar	3	0.2%
40	Norway	3	0.2%
41	Hong Kong	3	0.2%
42	Egypt	2	0.1%
43	Denmark	1	0.1%
44	Colombia	1	0.1%
45	Lithuania	1	0.1%
46	Slovakia	1	0.1%